255543552 has 144 divisors (see below), whose sum is σ = 824631360. Its totient is φ = 77414400.

The previous prime is 255543551. The next prime is 255543557. The reversal of 255543552 is 255345552.

255543552 is a `hidden beast` number, since 2 + 55 + 54 + 3 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (255543551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74352 + ... + 77712.

Almost surely, 2^255543552 is an apocalyptic number.

255543552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255543552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412315680).

255543552 is an abundant number, since it is smaller than the sum of its proper divisors (569087808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255543552 is a wasteful number, since it uses less digits than its factorization.

255543552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3397 (or 3377 counting only the distinct ones).

The product of its digits is 150000, while the sum is 36.

The square root of 255543552 is about 15985.7296361474. The cubic root of 255543552 is about 634.5828181330.

Subtracting from 255543552 its product of digits (150000), we obtain a palindrome (255393552).

The spelling of 255543552 in words is "two hundred fifty-five million, five hundred forty-three thousand, five hundred fifty-two".